diff --git a/debian/changelog b/debian/changelog
index 16223d2..060a382 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+kubrick (4:21.12.3-1) UNRELEASED; urgency=low
+
+  * New upstream release.
+
+ -- Debian Janitor <janitor@jelmer.uk>  Mon, 14 Mar 2022 03:05:27 -0000
+
 kubrick (4:21.08.0-1) unstable; urgency=medium
 
   [ Norbert Preining ]